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dev-shell: make python shell load fast

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- Add caching for editable installs
- Remove sleep statement in GUI code
This commit is contained in:
DavHau
2024-03-14 17:19:08 +07:00
parent 7537af3943
commit f4b8133037
1 changed files with 29 additions and 17 deletions
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46
devShell-python.nix
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@@ -49,9 +49,9 @@
## PYTHON ## PYTHON
tmp_path=$(realpath ./.direnv) tmp_path="$(realpath ./.direnv/python)"
repo_root=$(realpath .) repo_root=$(realpath .)
mkdir -p "$tmp_path/python/${pythonWithDeps.sitePackages}" mkdir -p "$tmp_path/${pythonWithDeps.sitePackages}"
# local dependencies # local dependencies
localPackages=( localPackages=(
@@ -59,28 +59,41 @@
$repo_root/pkgs/clan-vm-manager $repo_root/pkgs/clan-vm-manager
) )
# Install the package in editable mode # Install executable wrappers for local python packages scripts
# This allows executing `clan` from within the dev-shell using the current # This is done by utilizing `pip install --editable`
# version of the code and its dependencies. # As a result, executables like `clan` can be executed from within the dev-shell
# TODO: this is slow. get rid of pip or add better caching # while using the current version of the code and its dependencies.
echo "==== Installing local python packages in editable mode ===="
for package in "''${localPackages[@]}"; do for package in "''${localPackages[@]}"; do
${pythonWithDeps}/bin/pip install \ pname=$(basename "$package")
--quiet \ if
--disable-pip-version-check \ [ ! -e "$tmp_path/meta/$pname/pyproject.toml" ] \
--no-index \ || [ ! -e "$package/pyproject.toml" ] \
--no-build-isolation \ || ! cmp -s "$tmp_path/meta/$pname/pyproject.toml" "$package/pyproject.toml"
--prefix "$tmp_path/python" \ then
--editable "$package" echo "==== Installing local python package $pname in editable mode ===="
mkdir -p "$tmp_path/meta/$pname"
cp $package/pyproject.toml $tmp_path/meta/$pname/pyproject.toml
${python3.pkgs.pip}/bin/pip install \
--quiet \
--disable-pip-version-check \
--no-index \
--no-build-isolation \
--prefix "$tmp_path" \
--editable "$package"
fi
done done
export PATH="$tmp_path/python/bin:$PATH" export PATH="$tmp_path/bin:$PATH"
export PYTHONPATH="''${PYTHONPATH:+$PYTHONPATH:}$tmp_path/python/${pythonWithDeps.sitePackages}" export PYTHONPATH="''${PYTHONPATH:+$PYTHONPATH:}$tmp_path/${pythonWithDeps.sitePackages}"
for package in "''${localPackages[@]}"; do for package in "''${localPackages[@]}"; do
export PYTHONPATH="$package:$PYTHONPATH" export PYTHONPATH="$package:$PYTHONPATH"
done done
## GUI
if ! command -v xdg-mime &> /dev/null; then if ! command -v xdg-mime &> /dev/null; then
echo "Warning: 'xdg-mime' is not available. The desktop file cannot be installed." echo "Warning: 'xdg-mime' is not available. The desktop file cannot be installed."
fi fi
@@ -93,7 +106,6 @@
UI_BIN="clan-vm-manager" UI_BIN="clan-vm-manager"
cp -f $DESKTOP_SRC $DESKTOP_DST cp -f $DESKTOP_SRC $DESKTOP_DST
sleep 2
sed -i "s|Exec=.*clan-vm-manager|Exec=$UI_BIN|" $DESKTOP_DST sed -i "s|Exec=.*clan-vm-manager|Exec=$UI_BIN|" $DESKTOP_DST
xdg-mime default $DESKTOP_FILE_NAME x-scheme-handler/clan xdg-mime default $DESKTOP_FILE_NAME x-scheme-handler/clan
echo "==== Validating desktop file installation ====" echo "==== Validating desktop file installation ===="